The word fuse has few meanings basically it is
truck
parts of every vehicle:

1) Fuse (electrical), a device used in electrical
systems to protect against excessive current.
2) Fuse (hydraulic), a device used in hydraulic
systems to protect against sudden loss of fluid
pressure
3) Fuse (explosives), a trigger for an explosive
device or fireworks, also spelled fuse to distinguish with both a simple burning fuse and one
which contains mechanical and/or electronic
components.
Use
It is used to protect our circuit from excessive
current.